The Yangtze River, China’s longest, has been affected by a severe drought, _____ the lowest level of rainfall this year since 1961

I couldn’t get through the door because there was a big box .

The more careful you are, _______ mistakes you’ll make in the exam.

The project is one of the many governmentprogrammers improvingthe for thepoorest increased ability to learn

In a city with____industry, the price of land is very high.[ ]